219615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^4$

素因数の和:52

約数の個数: 20

約数和(自身を含む): 386520

約数和(自身を除く): 166905

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1331, 1815, 3993, 6655, 14641, 19965, 43923, 73205, 219615]

約数ペア:

[(1, 219615), (3, 73205), (5, 43923), (11, 19965), (15, 14641), (33, 6655), (55, 3993), (121, 1815), (165, 1331), (363, 605)]